# name : is.?
# key: is.type
# contributor: Shuguang Sun
# --
is.(${1:$$(yas-choose-value '("atomic" "character" "complex" "integer" "single" "double" "real" "numeric" "logical"
                              "vector" "matrix" "array" "data.frame" "list" "factor" "ordered"
                              "raw" "environment" "model" "expression" "function" "name" "symbol" "object"
                              "na" "finite" "nan"
                              ))})$0